Barbara Davis Center, Aurora, Colorado Andrea Steck, MD Site Investigator Hali Broncucia, MA Research Manager Mara Kinney Regulatory Manager St. Vincent’s Institute, Melbourne, Australia Tom Kay, MBBS, PhD Site Investigator Helen Thomas, PhD Site Investigator Kovler Diabetes Center, Chicago, Illinois Siri Greeley, MD, PhD Site Investigator Lou Philipson, MD, PhD Site Investigator Demetra Reyes Site Coordinator Dell Medical School, Austin, Texas Jack Virostko, PhD Principal Investigator Vanderbilt University Medical Center, Nashville, Tennessee Dan Moore, MD, PhD Principal Investigator Al Powers, MD Site Investigator Jon Williams, PhD Lead Coordinator Melissa Hilmes, MD Site Investigator, Radiologist Jordan Wright, MD, PhDSite Investigator